firstly, heat 1 tbsp oil and saute 4 clove garlic and 2 inch ginger until it turns golden brown.
now add sliced chilli, 1 tsp salt and saute for 5 minutes.
further, add ¼ cup water and mix well.
cover and cook 10 minutes or until chilli softens completely.
cool completely and transfer to the blender.
add ½ cup vinegar. vinegar helps to improve the shelf life acting as a preservative.
blend to smooth paste.
now heat 2 tbsp oil in a pan and add pinch hing.
add in prepared chilli paste and saute for 2 minutes.
further add ¼ tsp cumin powder, ½ tsp coriander powder and 1 tsp sugar. mix well.
finally, cool the chilli sauce completely and enjoy for 3 months when refrigerated.